Now I know what your thinking. Haytham was a Grandmaster Templar wouldn’t that make his father one of the bad guys? Well aparently Haytham was a bit rebelious because Edward(his father/our new Hero) was very much an Assassin, and Trained Haythem to be one aswell(which would explain his talents in Assassin’s Creed III). Haythem would be persuaded later on by a colleague of Edward Kenway to Join the Templars. Now it would seem that the new story line is set in 1715(confirmed) and may take us to the seas as a Pirate Assassin(this is yet to be confirmed).